1. Titration of a solution containing uranium (IV) was carried out by the coulometric method using cerium (IV) ions, which are electrogenerated in a sulfuric acid solution at a constant current strength of 5.0 mA. The equivalence point was determined amperometrically, while the electrolysis time t was:

Options Electrolysis time,
t, s
2 120
How many milligrams of uranium were in the solution?

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